n :  a nonessential amino acid C₃H₇NO₃ that occurs esp. as a structural part of many proteins and phosphatidylethanolamines and is a precursor of glycine .
 
 
 
Similar sounding terms:  sa·rin  ser·e·noa  sRNA 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.